/**
 * Copyright 2025 ByteDance Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package utils

import "unicode"

// scan each non-alphanumeric character as a separator
func NormalizeString(s string, sep rune) string {
	out := make([]rune, 0, len(s))
	for _, c := range s {
		if !unicode.IsLetter(c) && !unicode.IsNumber(c) {
			out = append(out, sep)
		} else {
			out = append(out, c)
		}
	}
	return string(out)
}
